Home / 3,171,729.38-4,376,990.87-1,721,424.83

Finding the Fourth Proportional to 3,171,729.38, 4,376,990.87 and 1,721,424.83

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Solution

The fourth proportional to 3,171,729.38, 4,376,990.87 and 1,721,424.83 is: 2,375,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,729.38 : 4,376,990.87 = 1,721,424.83 : x
  2. Step 2: Convert to fraction form
    3,171,729.38/4,376,990.87 = 1,721,424.83/x
  3. Step 3: Cross multiply
    3,171,729.38x = 4,376,990.87 × 1,721,424.83
  4. Step 4: Simplify right side
    3,171,729.38x = 7,534,660,766,636.66
  5. Step 5: Solve for x
    x = 7,534,660,766,636.66/3,171,729.38
  6. Step 6: Final answer
    x = 2,375,568.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.